Answer:
because the cells is what helps your body and when that stops working it can be a problem
Explanation:
5. Which describes the variable that is changed to test the prediction?
experimental
control
dependent
independent
Answer:
Independent
Explanation:
An experiment can be defined as an investigation which typically involves the process of manipulating an independent variable (the cause) in order to be able to determine or measure the dependent variable (the effect).
This ultimately implies that, an experiment can be used by scientists to show or demonstrate how a condition causes or gives rise to another i.e cause and effect, influence, behavior, etc in a sample.
In an experiment , the variable being manipulated by an experimenter is known as an independent variable while the dependent variable is the event expected to change when the independent variable is manipulated.
Hence, independent variable describes the variable that is changed to test the prediction.
A student collected samples of cells from a woody plant during the spring and produced the drawings below. Sample 1 was collected from the woody stem of the plant. Sample 2 was collected from the root tip of the plant. Cells in different steps of mitosis are labeled with letters A, B, C, D, and E in Sample 2. Describe the role of mitosis in the growth of a plant.
The provided question is incomplete, however, the question asked is a very generalized question, answering it on the knowledge of mitosis.
Answer:
The correct answer is - mitosis has a great role in the growth of plants.
Explanation:
Mitosis is a type of cell division that occurs in the somatic cells of an organism. During mitosis, a parent cell divides into two daughter cells with the same number of chromosomes. There are no recombination takes place. This type of cell division is fast.
Mitosis occurs during asexual reproduction in the form of budding, propagation as well as repairing of the cells as they are fast, such as the regeneration of new cells. The growth of plants and development is dependent on mitosis as they produce cells more efficiently and fast and mitosis is the only cell division found in somatic cells.
What landforms can be found under the ocean?
How many X chromosomes do females have?
Answer:
Typically, biologically female individuals have two X chromosomes
Explanation:
hope this helps! :)
What are the reactants and products of photosynthesis? *
glucose and oxygen are the reactants; carbon dioxide and water are the products
carbon dioxide and oxygen are the reactants; glucose and water are the products
Carbon dioxide and water are the reactants, glucose and oxygen are the products
glucose and water are the reactants, carbon dioxide and oxygen are the products
Answer:
Explanation:
Photosynthesis converts carbon dioxide and water into oxygen and glucose. Glucose is used as food by the plant and oxygen is a by-product. Cellular respiration converts oxygen and glucose into water and carbon dioxide. Water and carbon dioxide are by- products and ATP is energy that is transformed from the process.
Answer:
glucose and oxygen
Explanation:
Cladograms represent hypotheses about evolutionary relationships, what are these relationships based on?
Answer:
A cladogram is an evolutionary tree that diagrams the ancestral relationships among organisms. In the past, cladograms were drawn based on similarities in phenotypes or physical traits among organisms. Today, similarities in DNA sequences among organisms can also be used to draw cladograms.
6. What is the name of the repeating units that make up DNA?"
O Nitrogen Base
O Nucleotide
O Phosphate Group
O Sugar-phosphate backbone
a short essay explaining how an earthquake below the ocean floor can affect the seas near the earthquake area.
Which of the following occurs during transformation?
A pilus transfers genes between cells.
DNA is excised from one location to another within a DNA molecule.
Genes are transferred between cells in a virus.
Naked DNA is taken up from the environment.
Explanation:
B. DNA is excised from one location to another within a DNA molecule
Using a codon table, which amino acid is coded for by the codon G-G-G?
Answer:
Glycine
Explanation:
he following is NOT true about trophic levels: Primary consumers belong to the first trophic level. Secondary consumers belong to the third trophic level. Each stage through which energy travels is called a trophic level. Many species may belong to several trophic levels. Animals capable of feeding at many trophic levels will be able to survive if portions of their food supply are decreased or eliminated.
Answer:
Animals capable of feeding at many trophic levels will be able to survive if portions of their food supply are decreased or eliminate is not true of about trophic levels
Explanation:
This is because each trophic levels represent energy flow and supply of food to the organisms in the trophic levels. Energy are pass from one tropic levels to another as a result of source of food there. Plants majorly are the primary producers and the primary consumers depend on it. Therefore, if the source of food supply is eliminated in a trophic level, the organisms I'm the trophic level will not be able to survive.
Dendrite
Cell body
Myelin sheath
Axon
Terminal branches
This cell is representative of the
system.
:: nervous
:: muscular
5 skeletal
* endocrine
What is the relationship between an individual named Pinus palustris and an individual named Pinus elliottii? (2 points)
a
They belong to the same species.
b
They belong to the same genus.
c
They have one parent in common.
d
They live in different areas.
Answer:
I would think it's B hope this helps.
Explanation:
Answer:
The answer is,
B ). They belong to the same genus.
Explanation:
I took the test.
Why did the Vancouver Fraser Port Authority select Maplewood Flats as a restoration area to
offset their Centerm Expansion Project (CEP), rather than another location in Burrard inlet?
Select one:
a. Because it offers the greatest improvement in environmental conditions, sufficient to
match the damage caused by CEP, for the least expense.
b. Because it is the most species diverse site in the Burrard inlet
c. Because it is the most polluted site in the Burrard inlet
d. Because it has been identified as a significant anthropological and wildlife conservation
area
Answer:
a. Because it offers the greatest improvement in environmental conditions, sufficient to match the damage caused by CEP, for the least expense.
Explanation:
The businesses are required to restore the land to their original condition once they are with their business activities. The business operations often causes damage to the site and nearby land, for this reason restoration is mandatory in many countries. Vancouver Fraser Port Authority selects Maplewood Flats for the restoration activity because it offers the restoration at cheap cost. This will save company's cost and the land will be to its original condition with least possible damage to environment.
Raj drinks a glass of water in his kitchen. The water is at room temperature, and Raj decides to make it colder by adding ice. Which of the following describes why the ice cubes will melt?
Answer:
Heat from the water moves into the ice.
Explanation:
The ice has more heat than the frozen ice cube, so it will melt it.
Explain how each of the following factors affect the rate of photosynthesis 1) temperature 2) inorganic ions
as a
A cell with half the number of chromosomes (n) a
2n cell.
A. exons
B. operon
C. genome
D. diploid
E. nucleosome
F. recessive
G. restriction enzyme
H. haploid
I. dominant
J. gel electrophoresis
Answer:
H. Haploid
Explanation:
A cell that contains two of each chromosome, or 2n, is a diploid. If a cell has half of those chromosomes, or just n, it is a haploid.
The stomach makes a substance that gives the correct pH for enzyme action. Name this substance.
Answer:
The stomach produces hydrochloric acid.It kills many harmful microorganisms that might have been swallowed along with the food.The enzymes work best in acidic conditions-at low pH
Hydrochloric acid is an important component of the gastric juice in animal species such as humans. This maintains the pH in the stomach.
What is Hydrochloric acid?Hydrochloric acid is also known as muriatic acid, it is an aqueous solution of the compound hydrogen chloride. Hydrochloric acid is a colorless solution with a distinctive pungent smell. It is mainly classified as a strong acid. However, it is a component of the gastric acid in the digestive systems of most of the animal species, including humans. Hydrochloric acid is an important component of the digestive system.
Hydrochloric acid (HCl) is a part of the gastric juice. It plays an important role in creating the pH required for pepsin activity and for the maintenance of this pH. Parietal cells in the stomach are responsible for the production of HCl acid by secreting hydrogen and chloride ions separately. When pepsinogen and hydrochloric acid exist together in the gastric juice, pepsin is converted into its active form.
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The purpose of the endocrine system is to Select one: a. extract nutrients from food to meet the body s needs for energy and eliminate solid wastes. b. move blood throughout the body to supply cells with oxygen and nutrients and remove wastes. c. produce hormones that help regulate many body functions. d. provide the oxygen needed by body cells and remove the waste product carbon dioxide.
Answer: c. produce hormones that help regulate many body functions
Explanation:
The endocrine system helps in the release of hormones and regulating them into bloodstream and these hormones that are released then travel to the cells to perform different functions like growth and development, reproduction, controlling of ones mood, metabolism etc.
Therefore, the correct option is C "produce hormones that help regulate many body functions"
You have a solution in lab and increase the hydroxyl ion concentration. what is the impact on the pH of the solution.
A. The pH stays the same.
B. The pH rises.
C. The pH decreases.
Answer:
it will option C. hope it helps
Because of a snowstorm, your regular laboratory session was cancelled and the gram staining procedure performed on cultures incubated for a longer period of time. Examination of the stained B. cereus slides revealed a great deal of color variability, ranging from an intense blue to shades of pink. Account for this result.
Answer:
Bacteria start to die, thereby changing the dye concentration in the medium and producing different colors
Explanation:
Bacillus cereus are Gram-positive, rod-shaped bacteria that form orange-pink colonies in agar media (e.g., BACARA medium, which is used for detection and enumeration of B. cereus). In this case, it is expected that after a long time without taking care of the culture, the bacteria started to die. Subsequently, lysed bacterial cells lost their dye which accumulated in some areas of the medium, thereby showing different colors ranging from an intense blue (areas with dead bacteria) to shades of pink (areas with bacteria still alive and viable).
The color of some colonies are changing bacause of long incubation due to death of bacteria.
Bacara agar medium:
It is used for detection and enumeration of B. cereus. Bacteria gives orange-pink colonies in the media.
This detection method only detects the live bacteria, but here bacteria are dieing because of lake of food in media.
Therefore, the color of some colonies are changing bacause of long incubation due to death of bacteria.
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The ability to produce surviving offspring is called
Answer:
Fecundity
Explanation:
It can also describe the reproductive rate of an individual organism.
Based on the original data collected from the population of 1,128 birds, what fraction of the population would be expected to have the SS genotype if the population was in Hardy-Weinberg equilibrium?
A. 0.466
B. 0.534
C. 0.285
D. 0.217
Complete question:
Beak Length in Finches
In a certain population of finches, a single gene controls beak length. There are two possible alleles: S, which leads to a short beak, and s, which leads to a long beak. Individuals with the genotype SS will have a short beak, individuals with the genotype ss will have a long beak, and individuals with the genotype Ss will have a medium-length beak. Scientists measure that in this population of 1,128 total birds, 321 birds have short beaks, 562 have medium-length beaks, and 245 have long beaks.
Based on the original data collected from the population of 1,128 birds, what fraction of the population would be expected to have the SS genotype if the population was in Hardy-Weinberg equilibrium?
A. 0.466
B. 0.534
C. 0.285
D. 0.217
Answer:
The correct option is C. 0.285
Explanation:
Due to technical problems, you will find the complete explanation in the attached files.
Answer:
C. 0.285
Explanation:
Just wanted to confirm the answer.
every cell in an organism has the same number of chromosomes except
a) skin cells
b) neurons
c) white blood cells
d) reproductive cells
True or False: A hypothesis makes a prediction
Answer:
A hypothesis is a kind of guess or proposition regarding a situation. It can be called a kind of intelligent guess or prediction, and it needs to be proved using different methods. Formulating a hypothesis is an important step in experimental design, for it helps to predict things that might take place in the course of research. -or- What this statement means is that a hypothesis is a guess that a researcher in academia or other fields make and then follows an extensive research to either prove or disqualify the developed hypothesis as true or false. In contrary, a prediction is just but a guess that an individual makes without backing it with the necessary research in hope that it will happen.
Explanation:
Answer:
True
Explanation:
is scorpion are vertebrate or invertebrate
Answer:
invertebrates
Explanation:
hope this helped:))))))))))))))
1,260 deer are living on an island that is 840 square kilometers in size. What
is the population density of the deer per square kilometer?
Answer:
1.5 deer/km^2
Explanation:
The graph below shows the breakdown of a protein in the human stomach without a digestive enzyme.
Answer:
B
Explanation:
Take the test
The breakdown of protein in the presence of enzyme has lower activation energy.
The breakdown of protein in the stomach is achieved with the loss of peptide bonds, and the complex is broken down into amino acids.
What is breakdown of protein?The protein is broken down in the digestion at small intestine and stomach. The graph represents the energy of the reaction with the progress of protein degradation.
The energy of the reaction is highest when the protein breakdown activation is processed. The enzyme is the catalyst, that acts in fasting the reaction with the lowering of activation energy.
Thus, the breakdown of protein in the presence of enzyme has lower activation energy.
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What three things do trees need to be able to grow?
Answer:
Air, Water, and Sunlight
Explanation:
Answer:
They need water,Sunlight,and nutrients
explain the advantage of the synaptic cleft being so small
Answer:
The size of the synaptic cleft is small which results in the neurotransmitters to pile up over time thus making the neurotransmitters' concentration increase and therefore can proceed with their function of sending nerve impulses. Hope that helped!
Explanation: